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U.S. and California Government Information: Home

Local Depository Libraries

This list includes depository libraries in the vicinity of the Caltech campus.  For more information and other locations, please see the Federal Library Directory.

Government Document site of the Month

AirNow is your one-stop source for air quality data. Our recently redesigned site highlights air quality in your local area first, while still providing air quality information at state, national, and world views. A new interactive map even lets you zoom out to get the big picture or drill down to see data for a single air quality monitor.

Contact Information

Caltech does not have a separate and discrete publicly-accessible U.S. government documents collection. Caltech is selective and integrates the material into the overall collection and in recent years puts priority on electronic resources. 

For assistance with obtaining government information: